Compilare: main.cpp: In function 'int eok(int)': main.cpp:20:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t i = 0; i < n; i++) ~~^~~ main.cpp:23:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (v[i] + v[dr] > x && dr > i) ~~~^~~ main.cpp: In function 'int main()': main.cpp:38:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t i = 0; i < n; i++) ~~^~~